{"id":"CVE-2025-71404","revision":"4010f0a71c3c47b29e94c6346029982c","records":[{"revision":"4010f0a71c3c47b29e94c6346029982c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-71404","aliases":[],"title":"better-auth before 1.1.16 Reflected XSS via error parameter","description":"better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting (XSS) vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a specially-crafted URL can execute arbitrary JavaScript in the context of the user's browser. The issue is fixed in version 1.1.16.","state":0,"publishedAt":"2026-08-01T12:22:17.885+00:00","modifiedAt":"2026-08-03T15:38:00.141+00:00","affected":[{"ecosystem":"Vendor product","name":"better-auth","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"better-auth\",\n                    \"product\": \"better-auth\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/better-auth\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.1.16\"\n                        },\n                        {\n                            \"version\": \"1.1.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":5.1,"severity":"MEDIUM"}],"references":["https://github.com/better-auth/better-auth/security/advisories/GHSA-9x4v-xfq5-m8x5","https://github.com/better-auth/better-auth/commit/05ada0b79dbcac93cc04ceb79b23ca598d07830c","https://www.vulncheck.com/advisories/better-auth-before-reflected-xss-via-error-parameter"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71404","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-71404","identifiers":["CVE-2025-71404"]},"retained":false,"historicalAffected":[]}],"coverage":[]}